A rapid climate collapse during the Late Ordovician Mass Extinction devastated ocean life and reshuffled Earth’s ecosystems.

Net change measures a security's price difference from one day to the next. Learn its role in stock analysis, how it's used ...

In the mid-19th century, Bernhard Riemann conceived of a new way to think about mathematical spaces, providing the foundation ...

Methane emerged as one of the most powerful drivers of global warming, responsible for up to 45 percent of net temperature rise. Mohamed A. Sultan explained that methane trapped heat far more ...

Testimony of Brendan Duke, Senior Director for Federal Budget Policy, Center on Budget and Policy Priorities, Before the House Judiciary Committee’s Subcommittee on the Constitution and Limited ...

AI-generated summary reviewed by our newsroom. Read our AI Policy. DPI released draft K-12 math standards proposed to replace required Math 3. Students would keep Math 1 and Math 2, then choose two ...

AI-generated summary reviewed by our newsroom. Read our AI Policy. North Carolina is overhauling its math standards, with major changes potentially coming to the courses students take in high school.

Daylight saving time has come to an end for 2025. Early Sunday morning, the clocks fell back and we gained an hour. Here's what to know about the seasonal time change. When did the time change for the ...

To the relief of many Austinites, the temperatures finally fell to fall-appropriate levels for the final days in October — dropping around 35 degrees in under 24 hours. Halloween has also passed, and ...

Despite calls to get rid of the clock change, daylight saving time is still in season across most of the U.S., as the twice-a-year movement of clocks either backward or forward accounts for more ...

Sign up for Chalkbeat Chicago’s free daily newsletter to keep up with the latest news on Chicago Public Schools. On the first standardized test results reported ...